/* --- SYSTÈME DE DESIGN & TOKENS FUTURISTES --- */
:root {
  --widget-opacity: 0.70;
  --bg-widget: rgba(11, 14, 26, var(--widget-opacity));
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-widget: 1px solid rgba(255, 255, 255, 0.11);
  --border-card: 1px solid rgba(255, 255, 255, 0.06);
  
  /* Couleurs de marque HSL vibrantes */
  --accent-indigo: hsl(250, 95%, 68%);
  --accent-indigo-glow: rgba(99, 102, 241, 0.35);
  
  --accent-mint: hsl(165, 90%, 45%);
  --accent-mint-glow: rgba(16, 185, 129, 0.2);
  
  --accent-amber: hsl(38, 95%, 58%);
  --accent-amber-glow: rgba(245, 158, 11, 0.2);
  
  /* Textes */
  --text-primary: hsl(220, 20%, 97%);
  --text-secondary: hsl(220, 14%, 72%);
  --text-muted: rgba(241, 243, 249, 0.40);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-indigo), var(--accent-mint));
  --gradient-card-hover: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.05));
}

/* Réinitialisation moderne */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background: transparent;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

/* --- LE CONTAINER DU WIDGET (GLASSMORPHISM ABSOLU RESONSIVE) --- */
.todo-widget {
  width: 100%;
  height: 100%;
  min-width: 280px;
  min-height: 400px;
  background: var(--bg-widget);
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);
  border-radius: 20px;
  border: var(--border-widget);
  box-shadow: 
    0 12px 40px 0 rgba(0, 0, 0, 0.5),
    0 1px 0px 0px rgba(255, 255, 255, 0.15) inset;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease;
}

/* --- HEADER DU WIDGET --- */
.widget-header {
  padding: 18px 18px 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-drag-zone {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  height: 100%;
  cursor: grab;
}

.header-drag-zone:active {
  cursor: grabbing;
}

/* Indicateur d'état connecté lumineux */
.status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  transition: all 0.4s ease;
}

.status-indicator.connected {
  background-color: var(--accent-mint);
  box-shadow: 0 0 10px 2px var(--accent-mint);
}

.status-indicator.disconnected {
  background-color: hsl(0, 85%, 60%);
  box-shadow: 0 0 10px 2px rgba(239, 68, 68, 0.6);
}

.widget-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

/* Boutons de contrôle Premium */
.win-btn {
  background: transparent;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.win-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  transform: scale(1.05);
}

.win-btn.btn-close:hover {
  background: hsl(0, 75%, 50%);
  color: #fff;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

/* --- INDICATEUR DE PROGRESSION HAUT DE GAMME --- */
.progress-container {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  box-shadow: 0 0 8px var(--accent-indigo-glow);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- ZONE DE CORPS --- */
.widget-body {
  flex: 1;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}

/* Formulaire d'ajout de tâche flottant */
.add-task-form {
  display: flex;
  gap: 10px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 5px 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.add-task-form:focus-within {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.add-task-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13.5px;
  padding: 8px;
  font-family: inherit;
}

.add-task-form input::placeholder {
  color: rgba(241, 243, 249, 0.3);
}

.btn-add {
  background: var(--gradient-primary);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--accent-indigo-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-add:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-add svg {
  transition: transform 0.4s ease;
}

.btn-add:hover svg {
  transform: rotate(90deg);
}

/* --- LISTE DES TÂCHES --- */
.tasks-list {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Scrollbar futuriste */
.tasks-list::-webkit-scrollbar {
  width: 4px;
}

.tasks-list::-webkit-scrollbar-track {
  background: transparent;
}

.tasks-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  transition: background 0.3s;
}

.tasks-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* --- CARTE DE TÂCHE SQUIRCLE GLASS --- */
.task-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.task-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 
    0 8px 24px rgba(99, 102, 241, 0.18),
    0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Checkbox Squircle interactive */
.custom-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 7px;
  border: 1.8px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.custom-checkbox:hover {
  border-color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.1);
  transform: scale(1.05);
}

/* Checkbox Pop */
.custom-checkbox.checked {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 0 10px var(--accent-indigo-glow);
  animation: checkboxPop 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.custom-checkbox.checked svg {
  display: block;
  color: white;
}

.custom-checkbox svg {
  display: none;
}

@keyframes checkboxPop {
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* Contenu textuel de la carte */
.task-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.task-title {
  font-size: 13.5px;
  font-weight: 550;
  color: var(--text-primary);
  transition: color 0.3s;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  width: 100%;
}

.task-date {
  font-size: 9.5px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* --- BOUTONS ACTIONS SURVOL (MODIFIER / SUPPRIMER) --- */
.task-actions {
  display: flex;
  gap: 8px;
  margin-right: 6px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.task-card:hover .task-actions {
  opacity: 1;
}

.btn-task-action {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-task-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  transform: scale(1.08);
}

.btn-task-action.btn-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: hsl(0, 80%, 65%);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}

.btn-task-action svg {
  pointer-events: none;
}

/* Input d'édition premium */
.task-edit-input {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--accent-indigo);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  padding: 3px 8px;
  width: 100%;
  outline: none;
  box-shadow: 0 0 10px var(--accent-indigo-glow);
}

/* --- BADGES DE STATUT --- */
.status-badge {
  font-size: 8.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  border-radius: 20px;
  flex-shrink: 0;
}

.status-badge.in-progress {
  background: var(--accent-amber-glow);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
  cursor: pointer;
  transition: all 0.2s;
}

.status-badge.in-progress:hover {
  transform: scale(1.05);
  background: rgba(245, 158, 11, 0.3);
}

.status-badge.todo {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.2s;
}

.status-badge.todo:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.12);
}

.status-badge.done {
  background: var(--accent-mint-glow);
  color: var(--accent-mint);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* --- DESIGN DES TÂCHES TERMINÉES (ANIMÉ) --- */
.task-card.completed {
  opacity: 0.45;
  background: rgba(0, 0, 0, 0.1);
}

.task-card.completed .task-title {
  color: var(--text-muted);
}

.task-card.completed .task-title::after {
  content: '';
  position: absolute;
  left: 0;
  top: 52%;
  width: 100%;
  height: 1px;
  background: var(--text-muted);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.task-card.completed .task-title::after {
  transform: scaleX(1);
}

/* --- ACCORDION EXPANSION STATE --- */
.task-card.expanded {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(99, 102, 241, 0.4);
}

.task-card.expanded .task-title {
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  display: block;
  word-break: break-word;
}

/* État vide premium */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-secondary);
  padding: 20px;
}

.empty-state p {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.empty-subtext {
  font-size: 10.5px;
  opacity: 0.65;
}

/* --- PANNEAU DE PARAMÈTRES (BOTTOM SLIDE) --- */
.settings-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 390px;
  background: rgba(13, 16, 28, 0.96);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-top: var(--border-widget);
  border-radius: 20px 20px 0 0;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5);
}

.settings-panel.open {
  transform: translateY(0);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-header h2 {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-icon-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-icon-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.settings-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setting-group label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.setting-group input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 12.5px;
  outline: none;
  font-family: inherit;
  transition: all 0.3s;
}

.setting-group input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 8px var(--accent-indigo-glow);
}

/* Transparence Slider */
.slider-opacity {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: background 0.3s;
  margin: 6px 0;
}

.slider-opacity::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-indigo);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-indigo-glow);
  transition: transform 0.1s;
}

.slider-opacity::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Switch Toggles */
.setting-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
}

.switch-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  cursor: pointer;
}

.switch-label {
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-primary);
}

.switch-container input {
  display: none;
}

.switch-slider {
  width: 36px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  position: relative;
  transition: background-color 0.3s;
}

.switch-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.switch-container input:checked + .switch-slider {
  background-color: var(--accent-indigo);
  box-shadow: 0 0 8px var(--accent-indigo-glow);
}

.switch-container input:checked + .switch-slider::before {
  transform: translateX(16px);
}

/* Bouton enregistrer premium */
.btn-save {
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 12px var(--accent-indigo-glow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-save:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

/* --- GLASSMORPHIC CONFIRMATION MODAL --- */
.confirm-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.confirm-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.confirm-modal-box {
  width: 290px;
  background: rgba(14, 18, 30, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  transform: scale(0.9);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}

.confirm-modal-overlay.open .confirm-modal-box {
  transform: scale(1);
}

.confirm-modal-box h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.confirm-modal-box p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 22px;
}

.confirm-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-modal-actions button {
  padding: 10px 18px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
}

.btn-confirm-cancel {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-confirm-cancel:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-confirm-delete {
  background: hsl(0, 75%, 50%);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-confirm-delete:hover {
  background: hsl(0, 75%, 45%);
  box-shadow: 0 4px 18px rgba(239, 68, 68, 0.5);
  transform: scale(1.02);
}